add optimisation flag

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index af1e2dd0b770339c8009ec76bccb62000a7541be..848cf7d8c08d20d5e31777ae6a13a67130b5f64d 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -15,6 +15,8 @@ if ((NOT ${HAVE_STRING}) OR ${USE_INBUILT_STRING})
     add_definitions(-DNO_STRING)
 endif()
 
+add_definitions(-Os -ffunction-sections -fdata-sections)
+
 add_library(taihenparser lexer.c parser.c)
 
 install(TARGETS taihenparser